CN108291973B - 暗电流补偿 - Google Patents
暗电流补偿 Download PDFInfo
- Publication number
- CN108291973B CN108291973B CN201680069127.6A CN201680069127A CN108291973B CN 108291973 B CN108291973 B CN 108291973B CN 201680069127 A CN201680069127 A CN 201680069127A CN 108291973 B CN108291973 B CN 108291973B
- Authority
- CN
- China
- Prior art keywords
- pixels
- radiation
- dark current
- compensation
- photon counting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/24—Measuring radiation intensity with semiconductor detectors
- G01T1/244—Auxiliary details, e.g. casings, cooling, damping or insulation against damage by, e.g. heat, pressure or the like
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Measurement Of Radiation (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Light Receiving Elements (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP15196524 | 2015-11-26 | ||
| EP15196524.1 | 2015-11-26 | ||
| PCT/EP2016/078481 WO2017089363A1 (en) | 2015-11-26 | 2016-11-23 | Dark current compensation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108291973A CN108291973A (zh) | 2018-07-17 |
| CN108291973B true CN108291973B (zh) | 2022-09-09 |
Family
ID=54705437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201680069127.6A Expired - Fee Related CN108291973B (zh) | 2015-11-26 | 2016-11-23 | 暗电流补偿 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10267928B2 (enExample) |
| EP (1) | EP3380870A1 (enExample) |
| JP (1) | JP6924755B2 (enExample) |
| CN (1) | CN108291973B (enExample) |
| RU (1) | RU2734452C2 (enExample) |
| WO (1) | WO2017089363A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3658960B1 (en) | 2017-07-26 | 2022-09-07 | Shenzhen Xpectvision Technology Co., Ltd. | X-ray detector capable of managing charge sharing at its periphery |
| EP3444826A1 (en) * | 2017-08-14 | 2019-02-20 | Koninklijke Philips N.V. | Low profile anti scatter and anti charge sharing grid for photon counting computed tomography |
| EP3704514A4 (en) * | 2017-10-30 | 2021-04-21 | Shenzhen Xpectvision Technology Co., Ltd. | DARK NOISE COMPENSATION IN A RADIATION DETECTOR |
| EP3567405A1 (en) | 2018-05-08 | 2019-11-13 | Koninklijke Philips N.V. | Photon counting spectral ct |
| US10813607B2 (en) * | 2018-06-27 | 2020-10-27 | Prismatic Sensors Ab | X-ray sensor, method for constructing an x-ray sensor and an x-ray imaging system comprising such an x-ray sensor |
| CN116507283A (zh) * | 2020-09-18 | 2023-07-28 | 美国亚德诺半导体公司 | 用于光子计数计算机断层扫描的δ调制基线恢复 |
| US11985438B2 (en) | 2021-03-18 | 2024-05-14 | Taiwan Semiconductor Manufacturing Company, Ltd. | Pixel array including dark pixel sensors |
| JP7439027B2 (ja) * | 2021-09-08 | 2024-02-27 | 富士フイルムヘルスケア株式会社 | 放射線撮像装置及び放射線検出器 |
| CN118604868A (zh) * | 2024-05-28 | 2024-09-06 | 福建福清核电有限公司 | 一种位置灵敏型门式辐射探测器干扰隔离装置 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6351519B1 (en) * | 1997-08-11 | 2002-02-26 | Sirona Dental Systems Gmbh | Method for compensating the dark current of an electronic sensor having several pixels |
Family Cites Families (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4100739B2 (ja) | 1996-10-24 | 2008-06-11 | キヤノン株式会社 | 光電変換装置 |
| JP3832615B2 (ja) * | 1999-08-26 | 2006-10-11 | 株式会社島津製作所 | 放射線検出装置 |
| GB2370960A (en) | 2001-01-05 | 2002-07-10 | Spectral Fusion Technologies L | Partially shielded photodiode array |
| JP2001340324A (ja) * | 2001-03-16 | 2001-12-11 | Toshiba Medical System Co Ltd | X線検出器及びそれを使ったx線診断装置 |
| JP4723767B2 (ja) * | 2001-09-13 | 2011-07-13 | 株式会社東芝 | X線画像診断装置 |
| JP2003209665A (ja) | 2002-01-16 | 2003-07-25 | Fuji Photo Film Co Ltd | 画像読取方法および画像記録読取装置 |
| CN100477239C (zh) * | 2002-08-09 | 2009-04-08 | 浜松光子学株式会社 | 光电二极管阵列和放射线检测器 |
| US20110168892A1 (en) | 2005-01-06 | 2011-07-14 | Koninklijke Philips Electronics N.V. | Pixel Implemented Current Amplifier |
| JP5345383B2 (ja) * | 2005-04-22 | 2013-11-20 | コーニンクレッカ フィリップス エヌ ヴェ | 検出器画素、放射線検出器および方法、陽電子放出断層撮影システム、撮像検出器およびその較正方法、検出器セルの無効化方法 |
| JP4555785B2 (ja) | 2006-02-10 | 2010-10-06 | シャープ株式会社 | 固定パターン雑音除去装置、固体撮像装置、電子機器、及び固定パターン雑音除去プログラム |
| EP2070313B1 (en) | 2006-09-25 | 2012-05-02 | Philips Intellectual Property & Standards GmbH | Compensation of leakage current and residual signals for integrating detector based on direct x-ray conversion |
| US7829860B2 (en) * | 2006-10-31 | 2010-11-09 | Dxray, Inc. | Photon counting imaging detector system |
| JP4462299B2 (ja) * | 2007-07-17 | 2010-05-12 | ソニー株式会社 | 撮像装置、および画像処理方法、並びにコンピュータ・プログラム |
| EP2276408B1 (en) * | 2008-05-08 | 2019-07-10 | Arineta Ltd. | X ray imaging system with scatter radiation correction and method of using same |
| JP2009284424A (ja) | 2008-05-26 | 2009-12-03 | Sony Corp | 撮像装置、撮像方法及びプログラム |
| WO2010007544A1 (en) * | 2008-07-14 | 2010-01-21 | Koninklijke Philips Electronics N.V. | Anti-scatter grid |
| EP2356486A2 (en) * | 2008-11-10 | 2011-08-17 | Koninklijke Philips Electronics N.V. | Converter element for a radiation detector |
| EP2376942B1 (en) * | 2008-12-15 | 2013-03-27 | Koninklijke Philips Electronics N.V. | Temperature compensation circuit for silicon photomultipliers and other single photon counters |
| EP2404196B1 (en) | 2009-03-06 | 2013-10-16 | Koninklijke Philips N.V. | Temperature compensation and control circuit for single photon counters |
| JP2012045044A (ja) * | 2010-08-24 | 2012-03-08 | Fujifilm Corp | 放射線画像検出装置 |
| CN103314307B (zh) | 2011-01-10 | 2016-04-13 | 皇家飞利浦电子股份有限公司 | 用于探测由辐射源发射的光子的探测装置 |
| KR20140010553A (ko) * | 2012-07-13 | 2014-01-27 | 삼성전자주식회사 | 픽셀 어레이, 이를 포함하는 이미지 센서, 및 상기 이미지 센서의 로컬 다크 전류 보상 방법 |
| JP2014048171A (ja) * | 2012-08-31 | 2014-03-17 | Tele Systems:Kk | 放射線検出器に駆動用のバイアス電圧を供給する装置及びその方法 |
| US9510792B2 (en) * | 2013-05-17 | 2016-12-06 | Toshiba Medical Systems Corporation | Apparatus and method for collimating X-rays in spectral computer tomography imaging |
| JP2015021843A (ja) * | 2013-07-19 | 2015-02-02 | 株式会社島津製作所 | 放射線検出器、放射線検出装置及び放射線分析装置 |
-
2016
- 2016-11-23 EP EP16801180.7A patent/EP3380870A1/en not_active Withdrawn
- 2016-11-23 CN CN201680069127.6A patent/CN108291973B/zh not_active Expired - Fee Related
- 2016-11-23 JP JP2018526916A patent/JP6924755B2/ja not_active Expired - Fee Related
- 2016-11-23 RU RU2018122963A patent/RU2734452C2/ru active
- 2016-11-23 WO PCT/EP2016/078481 patent/WO2017089363A1/en not_active Ceased
- 2016-11-23 US US15/776,096 patent/US10267928B2/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6351519B1 (en) * | 1997-08-11 | 2002-02-26 | Sirona Dental Systems Gmbh | Method for compensating the dark current of an electronic sensor having several pixels |
Also Published As
| Publication number | Publication date |
|---|---|
| RU2734452C2 (ru) | 2020-10-16 |
| US10267928B2 (en) | 2019-04-23 |
| WO2017089363A1 (en) | 2017-06-01 |
| CN108291973A (zh) | 2018-07-17 |
| JP2019504297A (ja) | 2019-02-14 |
| RU2018122963A3 (enExample) | 2020-02-10 |
| JP6924755B2 (ja) | 2021-08-25 |
| EP3380870A1 (en) | 2018-10-03 |
| RU2018122963A (ru) | 2019-12-26 |
| US20180321395A1 (en) | 2018-11-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220909 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |